COMPTIA

Question 1

How is decimal notation expressed?

Answer 1

Each single digit is assigned one of ten values ranging from 0-9 whereby each column is ten times more than the digit to its right. This is also known as base 10.

Question 2

Which notation system presents the largest numbers using the fewest digits?

Answer 2

Hexadecimal

Question 3

In binary notation, a single digit stores how many bits of information?

Answer 3

one

Question 4

Binary is also referred to as a base?

Answer 4

Base 2

Question 5

In a decimal system, a single digit stores how many bits of information?

Answer 5

four bits

Question 6

Decimal is also referred to as base..?

Answer 6

Base 10

Question 7

What are the two common ways of presenting character set data?

Answer 7

ASCII and Unicode are the most common character sets used to present data.

Question 8

What is the decimal number 75 in hexadecimal notation?

Answer 8

4B

Question 9

When should you use hexadecimal notation?

Answer 9

To express large numbers

Question 10

Convert the decimal number 10 into binary notation

Answer 10

1010

Question 11

How is binary notation expressed?

Answer 11

A single digit in a range from 0 to 1 is used. This number represents an on or off state. Each column is worth two times the column to its right. This is also known as base 2.